crusade

名词 crusade:

1. a series of actions advancing a principle or tending toward a particular end
   同义词：campaign, cause, drive, movement, effort
2. any of the more or less continuous military expeditions in the 11th to 13th centuries when Christian powers of Europe tried to recapture the Holy Land from the Muslims

动词 crusade:

1. exert oneself continuously, vigorously, or obtrusively to gain an end or engage in a crusade for a certain cause or person; be an advocate for
   同义词：fight, press, campaign, push, agitate
2. go on a crusade; fight a holy war

1. The crusade for sexual morality is turning into a witch-hunt.
   捍卫性道德的运动正在转化成对持异议人士的迫害。
2. Her commitment to a great cause degenerated from a crusade into an obsession.
   她致力於一伟大事业，但其崇高的奋斗精神已变质成为偏执的狂热。
3. It's a crusade against corruption.
   这是一场反腐败的运动。
4. The college students are active to crusade against the nuclear weapons.
   大学生们积极投入开展反对核武器的运 动。

cru.sade

n.（名词）
Often Crusade Any of the military expeditions undertaken by European Christians in the th, 2th, and 3th centuries to recover the Holy Land from the Moslems.
常作 Crusade 十字军远征：在、2或3世纪欧洲的基督教徒为了从穆斯林手中收复圣地而发动的军事远征
A holy war undertaken with papal sanction.
圣战：经教皇认可而发动的神圣战争
A vigorous concerted movement for a cause or against an abuse.See Synonyms at campaign
圣战：赞成某一事业或反对某一弊病而进行的有力的统一运动参见 campaign
v.intr.（不及物动词）
cru.sad.ed,cru.sad.ing,cru.sades
To engage in a crusade.
参加十字军远征

来源：
French croisade
法语 croisade
Spanish cruzada
西班牙语 cruzada
both ultimately from Latin crux cruc- [cross]
都最终源自 拉丁语 crux cruc- [十字架]

【引伸】
crusad.er
n.（名词）